Source Data | |
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Rank | species |
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Taxonomy (GBIF) | Life : Animalia : Echinodermata : Echinoidea : Pygasteridae : Pygaster : Pygaster umbrella |
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Taxonomy (PBDB) | Life : Animalia : Echinodermata : Echinoidea : Pygasteridae : Pygaster : Pygaster umbrella |
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Taxonomic Status (GBIF) | accepted |
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Classification (PBDB,GBIF) | |
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Generic Name | Pygaster |
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Scientific Name | Pygaster umbrella Ag. |
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Opinions (PBDB) | Name | Rank | Opinion | Evidence | Author |
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Pygaster umbrella | species | belongs to Galerites | stated with evidence | Lamarck, 1816 | Pygaster umbrella | species | belongs to Pygaster | stated with evidence | Benest et al., 1994 |
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Status (PBDB) | extinct |
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Taxon Size (PBDB) | 1 |
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First Recorded Appearance | 166 - 164 Ma Middle Jurassic |
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Last Recorded Appearance | 166 - 164 Ma Middle Jurassic |
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Environment | marine (based on Echinodermata) |
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Motility | actively mobile (based on Echinoidea) |
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Vision | limited (based on Echinoidea) |
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Diet | grazer, deposit feeder (based on Echinoidea) |
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Reproduction | dispersal=water,planktonic (based on Echinodermata) |
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Ontogeny | accretion,addition of parts (based on Echinodermata) |
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Taphonomy | high Mg calcite (based on Echinoidea) |
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Primary Reference (PBDB) | M. Benest, F. Atrops, and B. Clavel. 1994. Les echinides du Kimméridgien inférieur des Monts de Chellala (ouest Algérien); révision, paléoenvironnement, et eustatisme. Geobios 27:61-71 |
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